Rex Tucker (20 February 1913 – 10 August 1996) was a British television director in the 1950s and 1960s.
He attended Cheltenham Grammar School and Jesus College, Cambridge.
Amongst his work, he was a driving force during the formative stages of Doctor Who in 1963, acting as a caretaker producer prior to the arrival of Verity Lambert.
In 2013 the BBC commissioned a docudrama about the creation and early days of Doctor Who, called An Adventure in Space and Time, as part of the programme's fiftieth anniversary celebrations.
Tucker appears as a character in the drama, played by actor Andrew Woodall.